Safety switch for communication device
作者： Andre John Van Schyndel
DOI:
关键词:
摘要: A communication device such as a portable wireless terminal for telephone system having proximity sensor to automatically switch the receiving transducer from receiver mode loudspeaker mode. The is positioned in handset that associated circuitry switches response being brought into with user's ear.
lens.org 参考文章(14)
Kazuo Hashimoto, Telephone device for amplifying opposite party's voice after user's telephone is placed on-hook ,(1993)
H Muller, Electronic switch actuated by proximity of the human body ,(1972)
Robert V Burns, Proximity operated loudspeaking telephone ,(1961)
Marcus A. Krieter, Integrated hand-held portable telephone and personal computing device ,(1994)
Garry L. Atkins, Stephen O. Gregory, Modular water facuet with automatic water supply system ,(1986)
Koichi Hayashi, Katsumi Abe, Minoru Shibata, Automatically operating electric shaver ,(1984)
Donald John Bowen, Robert Raymond Ii Miller, Richard Henry Erving, Automatic handset-speakerphone switching arrangement for portable communication device ,(1993)
Gabriel Lorimer Miller, Robert Albert Boie, Capacitive proximity sensors ,(1993)
Klaas R. Franzen, Gijsbert W. Versteeg, Cornelis M. A. Theunisse, Combination of a loudspeaking telephone set and a hand set for soft speaking Journal of the Acoustical Society of America. ,vol. 75, pp. 310- 310 ,(1980) , 10.1121/1.390292
James M. Sotelo, Peter J. Porozoff, Speakerphone with wireless infrared microphone Journal of the Acoustical Society of America. ,vol. 87, pp. 2279- 2279 ,(1982) , 10.1121/1.399113